JDK-8192897 : SA: NPE occurs on clhsdb jstack
- Type: Bug
- Component: hotspot
- Sub-Component: svc-agent
- Affected Version: 10
- Priority: P4
- Status: Resolved
- Resolution: Fixed
- Submitted: 2017-12-01
- Updated: 2018-02-07
- Resolved: 2017-12-05
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Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.
To download the current JDK release, click here.
| JDK 10 | JDK 11 |
|---|---|
10 b36Fixed  |
11Fixed |
Related Reports
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Relates :
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Description
NPE occurs clhsdb jstack as below:
----------------
hsdb> jstack
Deadlock Detection:
No deadlocks found.
"NonBlockingInputStreamThread" #27 daemon prio=5 tid=0x00007f0924674000 nid=0xf429 in Object.wait() [0x00007f08cf6fd000]
java.lang.Thread.State: WAITING (on object monitor)
JavaThread state: _thread_blocked
- java.lang.Object.wait(long) @bci=0 (Compiled frame; information may be imprecise)
- waiting on <no object reference available>
Error occurred during stack walking:
java.lang.NullPointerException
at jdk.hotspot.agent/sun.jvm.hotspot.runtime.CompiledVFrame.getMonitors(CompiledVFrame.java:131)
at jdk.hotspot.agent/sun.jvm.hotspot.runtime.JavaVFrame.printLockInfo(JavaVFrame.java:125)
at jdk.hotspot.agent/sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:114)
at jdk.hotspot.agent/sun.jvm.hotspot.CommandProcessor$26.doit(CommandProcessor.java:1073)
at jdk.hotspot.agent/sun.jvm.hotspot.CommandProcessor.executeCommand(CommandProcessor.java:1964)
at jdk.hotspot.agent/sun.jvm.hotspot.CommandProcessor.executeCommand(CommandProcessor.java:1934)
at jdk.hotspot.agent/sun.jvm.hotspot.CommandProcessor.run(CommandProcessor.java:1814)
at jdk.hotspot.agent/sun.jvm.hotspot.CLHSDB.run(CLHSDB.java:99)
at jdk.hotspot.agent/sun.jvm.hotspot.CLHSDB.main(CLHSDB.java:40)
at jdk.hotspot.agent/sun.jvm.hotspot.SALauncher.runCLHSDB(SALauncher.java:191)
at jdk.hotspot.agent/sun.jvm.hotspot.SALauncher.main(SALauncher.java:439)
----------------
It is caused by CompiledVFrame#getScope() returns null.
We should consider it at CompiledVFrame#getMonitors().
Comments
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